fkie_cve-2011-2701
Vulnerability from fkie_nvd
Published
2011-08-04 02:45
Modified
2024-11-21 01:28
Severity ?
Summary
The ocsp_check function in rlm_eap_tls.c in FreeRADIUS 2.1.11, when OCSP is enabled, does not properly parse replies from OCSP responders, which allows remote attackers to bypass authentication by using the EAP-TLS protocol with a revoked X.509 client certificate.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| freeradius | freeradius | 2.1.11 |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:freeradius:freeradius:2.1.11:*:*:*:*:*:*:*",
"matchCriteriaId": "908DA549-0EE5-4B85-961F-1C67210F6AED",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
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]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The ocsp_check function in rlm_eap_tls.c in FreeRADIUS 2.1.11, when OCSP is enabled, does not properly parse replies from OCSP responders, which allows remote attackers to bypass authentication by using the EAP-TLS protocol with a revoked X.509 client certificate."
},
{
"lang": "es",
"value": "La funci\u00f3n ocsp_check de rlm_eap_tls.c de FreeRADIUS 2.1.11, si OCSP est\u00e1 habilitado, no analiza correctamente la sintaxis (\"parse\") de las respuestas de los agentes transmisores OCSP, lo que permite a atacantes remotos evitar la autenticaci\u00f3n usando el protocolo EAP-TLS con un certificado cliente X.509 revocado."
}
],
"id": "CVE-2011-2701",
"lastModified": "2024-11-21T01:28:47.547",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 4.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2011-08-04T02:45:32.297",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/45425"
},
{
"source": "secalert@redhat.com",
"url": "http://securityreason.com/securityalert/8325"
},
{
"source": "secalert@redhat.com",
"url": "http://securitytracker.com/id?1025833"
},
{
"source": "secalert@redhat.com",
"url": "http://www.openwall.com/lists/oss-security/2011/07/15/6"
},
{
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{
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{
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"url": "http://www.securityfocus.com/archive/1/518974/100/0/threaded"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securityfocus.com/bid/48880"
},
{
"source": "secalert@redhat.com",
"tags": [
"Patch"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=724815"
},
{
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"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/68782"
},
{
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"url": "https://www.dfn-cert.de/informationen/Sicherheitsbulletins/dsb-2011-01.html"
},
{
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"tags": [
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{
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{
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{
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"url": "http://www.openwall.com/lists/oss-security/2011/07/15/6"
},
{
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"url": "http://www.openwall.com/lists/oss-security/2011/07/18/2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openwall.com/lists/oss-security/2011/07/20/9"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/archive/1/518974/100/0/threaded"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/48880"
},
{
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"tags": [
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=724815"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/68782"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.dfn-cert.de/informationen/Sicherheitsbulletins/dsb-2011-01.html"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-287"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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